Automated Container Wheel Assembly With Robotic Welding Cells
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Solution Overview
Problem
The manufacturing of roll-off containers with wheels is challenging due to their size and specifications, requiring individual attention and increasing manufacturing time and costs.
Innovation Solution
An automated container wheel manufacturing system comprising a bracket and wheel end cap laser cutting and staging subsystem, axle sawing and tack welding subsystem, axle housing machining subsystem, and wheel pipe sawing and welding subsystem, utilizing robotic assembly and welding arms, and a rotatable work surface for assembly and welding of wheel components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated manufacturing systems are implemented, then productivity and manufacturing efficiency are improved, but device complexity and initial manufacturing costs increase
Solution Approach 1:
The automated wheel manufacturing system is divided into distinct functional modules: laser cutting subsystem for brackets and end caps, pipe sawing subsystem for wheel pipes, axle machining subsystem, and assembly/welding subsystem. Each module performs a specific operation and can be independently controlled, maintaining productivity while managing system complexity through functional decomposition.
Solution Approach 2:
The robotic assembly arms and welding systems are designed to handle multiple wheel configurations and container types. The same automated system can manufacture different wheel assemblies by adjusting programming and tooling, reducing the need for multiple specialized systems and thereby managing complexity while maintaining high productivity across product variants.
2Manufacturing precision
If automated laser cutting and machining systems are used, then manufacturing precision and consistency are improved, but equipment complexity and initial investment costs increase
Solution Approach 1:
Traditional mechanical cutting methods are replaced with automated laser cutting technology for brackets and end caps, and automated pipe sawing with CNC control for wheel pipes. These systems use computer-controlled positioning and cutting mechanisms that provide consistent precision while reducing manual intervention. The complexity is managed through standardized equipment interfaces and integrated control systems that coordinate multiple precision devices.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates efficient and automated assembly and welding of container wheels, reducing manufacturing time and costs by optimizing the use of robotic systems and minimizing human intervention.
Implementation Method 1
an automated laser cutting table
Implementation Method 2
a welding subsystem configured to weld the wheel components and axle components together to form wheel assemblies
Data Source
AI summary
An automated container wheel manufacturing system includes a bracket and wheel end cap laser and staging subsystem, an axle sawing subsystem, an axle housing machining subsystem, and a wheel pipe sawing subsystem. The wheel end cap laser and staging subsystem is configured to manufacture mounting brackets and wheel end caps, the axle sawing subsystem is configured to manufacture axle housings, the axle housing machining subsystem is configured to manufacture axle housings, and the wheel pipe sawing subsystem is configured to manufacture wheel pipes. An assembly and welding area includes a plurality of robotic welding arms and an I-beam to which the plurality of robotic welding arms are attached for movement within a robotic zone. There is an axle housing and wheel end cap welding region, a wheel pipe welding region, and a bracket and axle welding region.